Declension table of ?rahasū

Feminine	Singular	Dual	Plural
Nominative	rahasūḥ	rahasuvau	rahasuvaḥ
Vocative	rahasūḥ rahasu	rahasuvau	rahasuvaḥ
Accusative	rahasuvam	rahasuvau	rahasuvaḥ
Instrumental	rahasuvā	rahasūbhyām	rahasūbhiḥ
Dative	rahasuvai rahasuve	rahasūbhyām	rahasūbhyaḥ
Ablative	rahasuvāḥ rahasuvaḥ	rahasūbhyām	rahasūbhyaḥ
Genitive	rahasuvāḥ rahasuvaḥ	rahasuvoḥ	rahasūnām rahasuvām
Locative	rahasuvi rahasuvām	rahasuvoḥ	rahasūṣu

Compound rahasū -

Adverb -rahasu